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Practical methods for raising water temperature when growing rice with well water
The biggest drawback of growing rice with well water is the low water temperature, which affects the good growth and development of rice, leading to reduced yield and poor quality. Therefore, raising the water temperature when growing rice with well water is crucial. The specific technical measures are: 1. Set up a solar warming pond to raise the water temperature. Adding a solar warming pond is an effective measure to raise the water temperature when growing rice with well water. The area of the solar warming pond should be based on actual conditions and adapted to local circumstances. Generally, the area of the solar warming pond should be 1500-2000 sq m, preferably reaching about 1/20 of the irrigation area of the pump. According to experimental research, 2
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What precautions should be taken when processing snake venom? A full breakdown of the key operational points
1. Pay attention to safety when extracting and processing snake venom. To strictly prevent venomous snakes from injuring people, the movements for releasing the snake during and after venom extraction must be quick. When returning a snake that has been milked to its cage, first place the snake's body inside, and when the snake's head approaches the edge of the container opening, let go quickly. If you cannot withdraw your hand in time when releasing the snake, you can easily be bitten by the snake striking back. 2. Venom extraction equipment must be strictly sterilized. 3. If the venomous snake clamps onto the vessel and will not let go, you may gently swing the snake's trunk; if it still will not release its bite, you may gently twist its neck, or use a small stick or your finger to stimulate the snake's cloaca. Never pull hard
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The fireworks tree bonsai is a spectacular sight when in full bloom.
The fireworks tree (Clerodendrum quadriloculare) is a small shrub in the genus Clerodendrum of the family Verbenaceae, native to Africa and the Pacific Islands, and is also found scattered in China. The fireworks tree has an attractive plant form, beautiful foliage, and brilliant, colorful flowers with dancing stamens. It blooms continuously from June to November, with a flowering period lasting as long as half a year. The flowers are terminal, long-tubular, in spreading clusters, with dense inflorescences and purple-red floral tubes; the front end bursts open into 5 pure white, colorful, long strip-shaped petals, like twinkling stars, as if they were clusters of fireworks set off during a festival. The exposed stamens are like golden threads and silver willows, bouncing and dancing nonstop when the breeze blows, and the fruit after flowering is colorful.
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Detailed Explanation of When Cotton Fertilizer Burn Occurs and How to Prevent It
Every year, cotton fertilizer burn occurs to varying degrees in cotton-growing areas across different regions, and it can happen at different stages of cotton growth. Fertilizer burn can also occur during the cotton transplanting process, so the amount of topdressing at the seedling stage must be controlled. For the first application, just 5-6 kg of urea per mu is enough, and for the second, increase it to about 10 kg. Before transplanting, applying too much base fertilizer at one time can also cause fertilizer burn. For example, when applying a high-content multi-element compound fertilizer, only 25-30 kg per mu is needed. Applying too much nitrogen fertilizer during the bud stage can also have a negative impact on cotton. First,
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Which parts need attention when spraying cotton?
Practice has shown that for cotton to yield well, management is key. In the growth and management of cotton, spraying pesticide is an important part of that management. The pests that commonly occur on cotton include: aphids, red spider mites, mirids (plant bugs), pink bollworms, cotton bollworms, diamondback moths, and so on. These pests lay eggs and cause damage in different places, so when spraying you must pay attention to the location. During the cotton seedling stage, aphids, red spider mites and others cause damage on the underside of the cotton leaves, so when spraying pesticide, the spray solution must be applied to the underside of the leaves. The pink bollworm that occurs in the middle and late stages of cotton lays eggs on tender tips, tender stems and the underside of tender leaves, and after bolls form
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What to pay attention to when fishing in midsummer
1. Preparation before fishing: 1 day before fishing, appropriately reduce the amount of feed, and promptly remove obstacles such as tree branches (stumps) in and around the pond as well as grass residue pollution on the water surface, so that seining can proceed smoothly. 2. Fish at the right time: generally choose the early morning when the weather is relatively cool and fish activity is normal for fishing. Never fish when the weather is muggy and hot or when fish are gasping at the surface or under other abnormal conditions, so as to avoid unnecessary economic losses. 3. Standardize operations: choose nets with an appropriate mesh size, put the net in slowly and pull it out quickly, and minimize the number of hauls; never
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What control measures should be taken when pathological changes occur in garlic scapes during storage?
Abnormal changes of the scape tip 1. Browning of the scape tip (1) Symptoms The scape tip changes from yellow-green to yellow-brown or dark brown, dehydrates and shrinks into a thin flake-like form, is prone to decay, and is easily infected by mold, losing its toughness; dry-affected ones break easily, and wet-affected ones rot easily and are infected by mold. (2) Causes The tissues of the scape tip undergo physiological aging and death, and lose water and shrink. High temperature and high oxygen promote browning, and high humidity aggravates the degree of browning. (3) Control Harvest at the proper time, and strictly prevent high temperature, air-drying, or smothering during harvest and transport.
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What to Do When a Ficus Bonsai Drops Its Leaves? A Detailed Guide to Prevention and Treatment
When a newly purchased healthy ficus drops its leaves, it is mostly due to insufficient nutrition and a hidden decline in tree vigor, triggered by sudden changes in its habitat (such as temperature, humidity, light, etc.). If a long-cultivated potted plant drops its leaves, factors such as soil nutrient deficiency, alkalization, or pests and diseases should also be considered. For this situation, we can summarize the prevention and treatment measures as follows: 1. When purchasing, choose a healthy, long-potted plant with spreading leaves, deep green and glossy, and free of pests and diseases on the whole plant, and the growing medium should be loose, fertile, and airy. 2. Place it in a relatively bright indoor spot, with the temperature between 10°C and 30°C and with little fluctuation
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Detailed Explanation of Points to Note When Mixing Substrate for Substitute-Material Cultivation of Shiitake Mushrooms
Substitute-material cultivation of shiitake mushrooms is another cultivation method following log or round-wood cultivation. Its cultivation forms are diverse, mainly designed according to differences in cultivation conditions, cultivation materials and cultivation containers. It has developed rapidly in recent years and now accounts for more than 95% of the cultivation area. In its medium, materials rich in cellulose, lignin and hemicellulose, such as wood chips, crop straw and wild grasses, are used as the main components of the cultivation material, appropriately supplemented with auxiliary materials such as wheat bran and rice bran rich in organic matter and vitamins, as well as gypsum, calcium carbonate and similar substances containing inorganic salts. The water content is adjusted to around 60%, and after sterilization it is inoculated and cultivated.
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What to Do When Cotton Is Killed by Rainwater? A Detailed Guide to Post-Disaster Remedial Measures
Drain waterlogging and clear silted ditches in time. After a cotton field is flooded, the soil's physical and chemical properties change, humidity becomes too high, and air is lacking, which can suffocate the cotton plants to death. Even if they do not die, they are prone to disease, and root penetration is hindered. The waterlogging must be drained as quickly as possible, and at the same time the clogged perimeter ditches, waist ditches and bed ditches should be cleared to lower the groundwater level and create a good ecological environment for the cotton seedlings so they can resume growth. Straighten and wash the seedlings in time, washing them as the water recedes. Clean the silt off the cotton leaves and stems so the leaves can quickly recover
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